<?php
class adsensei_admin_analytics
{

  public function __construct()
  {
  }

  /**
   * This is the list of hooks used in this class
   */
  public function adsensei_admin_analytics_hooks()
  {

    add_action('wp_enqueue_scripts', array($this, 'adsensei_frontend_enqueue'));

    add_action('wp_ajax_nopriv_adsensei_insert_ad_impression', array($this, 'adsensei_insert_ad_impression'));
    add_action('wp_ajax_adsensei_insert_ad_impression', array($this, 'adsensei_insert_ad_impression'));
    add_action('wp_ajax_nopriv_adsensei_insert_ad_impression_amp', array($this, 'adsensei_insert_ad_impression_amp'));
    add_action('wp_ajax_adsensei_insert_ad_impression_amp', array($this, 'adsensei_insert_ad_impression_amp'));


    add_action('wp_ajax_nopriv_adsensei_insert_ad_clicks', array($this, 'adsensei_insert_ad_clicks'));
    add_action('wp_ajax_adsensei_insert_ad_clicks', array($this, 'adsensei_insert_ad_clicks'));

    add_action('wp_ajax_nopriv_adsensei_insert_ad_clicks_amp', array($this, 'adsensei_insert_ad_clicks_amp'));
    add_action('wp_ajax_adsensei_insert_ad_clicks_amp', array($this, 'adsensei_insert_ad_clicks_amp'));



    add_filter('amp_post_template_data', array($this, 'adsensei_enque_analytics_amp_script'));
    add_filter('amp_post_template_footer', array($this, 'adsensei_add_analytics_amp_tags'));
  }
  /**
   * Ajax handler to get ad impression in NON AMP
   * @return type void
   */
  public function adsensei_insert_ad_impression()
  {

    if (!isset($_POST['adsensei_front_nonce'])) {
      return;
    }
    if (!wp_verify_nonce($_POST['adsensei_front_nonce'], 'adsensei_ajax_check_front_nonce')) {
      return;
    }

    $ad_ids = array_map('sanitize_text_field', $_POST['ad_ids']);


    if ($ad_ids) {

      foreach ($ad_ids as $ad_id) {

        if ($ad_id) {

          $this->adsensei_insert_impression($ad_id);
        }
      } //Foreach closed     
    }
    wp_die();
  }
  /**
   * Function to insert ad impression for both (AMP and NON AMP)
   * @global type $wpdb
   * @param type $ad_id
   * @param type $device_name
   */
  public function adsensei_insert_impression($ad_id, $device_name = '', $referrer_url = '', $user_ip = '', $actual_link = '', $browser = '')
  {

    global $wpdb;

    $today = adsensei_get_date('day');
    $id_array = explode('adsensei-ad', $ad_id);
    $ad_id = $id_array[1];

    $referrer_url  = (isset($_POST['referrer'])) ? esc_url($_POST['referrer']) : '';
    if (empty($referrer_url) && isset($_SERVER['HTTP_REFERER'])) {
      $referrer_url  =  esc_url($_SERVER['HTTP_REFERER']);
    }
    $todays_date = '';
    $todays_date = date('Y-m-d');
    $year = date("Y");
    $user_ip      =  $this->adsensei_get_client_ip();
    $actual_link  = (isset($_POST['currentLocation'])) ? esc_url($_POST['currentLocation']) : '';
    if (empty($actual_link) && isset($_SERVER['HTTP_HOST'])) {
      $actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
    }

    require_once ADSENSEI_PLUGIN_DIR . '/admin/includes/mobile-detect.php';
    $device_name = '';
    $mobile_detect = $isTablet = '';
    $mobile_detect = new Adsensei_Mobile_Detect;
    $isMobile = $mobile_detect->isMobile();
    $isTablet = $mobile_detect->isTablet();

    $device_name  = 'desktop';
    if ($isMobile && $isTablet) { //Only For tablet
      $device_name  = 'mobile';
    } else if ($isMobile && !$isTablet) { // Only for mobile
      $device_name  = 'mobile';
    }

    $stats = $wpdb->get_var(
      $wpdb->prepare(
        "SELECT `id` FROM `{$wpdb->prefix}adsensei_stats` WHERE `ad_id` = %d AND `ad_device_name` = %s AND `ad_thetime` = %d AND `referrer` = %s AND `ip_address` = %s AND `url` = %s AND `browser` = %s",
        $ad_id,
        trim($device_name),
        $today,
        trim($referrer_url),
        trim($user_ip),
        trim($actual_link),
        trim($browser)
      )
    );

    if ($stats > 0) {
      $wpdb->query(
        $wpdb->prepare(
          "UPDATE `{$wpdb->prefix}adsensei_stats` SET `ad_impressions` = `ad_impressions` + 1 WHERE `id` = %d",
          $stats
        )
      );
    } else {
      $wpdb->insert($wpdb->prefix . 'adsensei_stats', array('ad_id' => $ad_id, 'ad_thetime' => $today, 'ad_clicks' => 0, 'ad_impressions' => 1, 'ad_device_name' => trim($device_name), 'referrer' => trim($referrer_url), 'ip_address' => trim($user_ip), 'browser' => trim($browser), 'url' => $actual_link));
    }

    $stats = $wpdb->get_var(
      $wpdb->prepare(
        "SELECT `id` FROM `{$wpdb->prefix}adsensei_single_stats` WHERE `ad_id` = %d",
        $ad_id
      )
    );

    if ($stats > 0) {
      $adsensei_single_date = $wpdb->get_row(
        $wpdb->prepare(
          "SELECT * FROM `{$wpdb->prefix}adsensei_single_stats` WHERE `ad_id` = %d AND `ad_date` = %s",
          $ad_id,
          $todays_date
        )
      );


      if (!$adsensei_single_date) {
        $wpdb->insert($wpdb->prefix . 'adsensei_single_stats_', array('ad_id' => $ad_id, 'ad_thetime' => 0, 'ad_clicks' => 0, 'ad_impressions' => 1, 'ad_date' => $todays_date, 'date_click' => 0, 'ad_year' => $year, 'date_impression' => 1));
      }

      $wpdb->query(
        $wpdb->prepare(
          "UPDATE `{$wpdb->prefix}adsensei_single_stats` SET `ad_impressions` = `ad_impressions` + 1 WHERE `ad_id` = %d AND `ad_date` = %s",
          $ad_id,
          $todays_date
        )
      );

      $wpdb->query(
        $wpdb->prepare(
          "UPDATE `{$wpdb->prefix}adsensei_single_stats` SET `date_impression` = `date_impression` + 1 WHERE `ad_id` = %d AND `ad_date` = %s",
          $ad_id,
          $todays_date
        )
      );
    } else {
      $wpdb->insert($wpdb->prefix . 'adsensei_single_stats_', array('ad_id' => $ad_id, 'ad_thetime' => 0, 'ad_clicks' => 0, 'ad_impressions' => 1, 'ad_date' => $todays_date, 'date_click' => 0, 'ad_year' => $year, 'date_impression' => 1));
    }
  }

  public function adsensei_get_client_ip()
  {
    $ipaddress = '';
    if (isset($_SERVER['HTTP_CLIENT_IP']))
      $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
    else if (isset($_SERVER['REMOTE_ADDR']))
      $ipaddress = $_SERVER['REMOTE_ADDR'];
    else if (isset($_SERVER['HTTP_X_FORWARDED_FOR']))
      $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
    else if (isset($_SERVER['HTTP_X_FORWARDED']))
      $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
    else if (isset($_SERVER['HTTP_FORWARDED_FOR']))
      $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
    else if (isset($_SERVER['HTTP_FORWARDED']))
      $ipaddress = $_SERVER['HTTP_FORWARDED'];
    else
      $ipaddress = 'UNKNOWN';
    return $ipaddress;
  }


  /**
   * Ajax handler to get ad clicks in NON AMP
   * @return type void
   */
  public function adsensei_insert_ad_clicks()
  {

    if (!isset($_POST['adsensei_front_nonce'])) {
      return;
    }
    if (!wp_verify_nonce($_POST['adsensei_front_nonce'], 'adsensei_ajax_check_front_nonce')) {
      return;
    }

    $ad_id = sanitize_text_field($_POST['ad_id']);
    $referrer_url  = (isset($_POST['referrer'])) ? esc_url($_POST['referrer']) : '';
    if (empty($referrer_url) && isset($_SERVER['HTTP_REFERER'])) {
      $referrer_url  =  esc_url($_SERVER['HTTP_REFERER']);
    }
    $user_ip       =  $this->adsensei_get_client_ip();
    $actual_link  = (isset($_POST['currentLocation'])) ? esc_url($_POST['currentLocation']) : '';
    if (empty($actual_link) && isset($_SERVER['HTTP_HOST'])) {
      $actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
    }

    $browser = $_SERVER['HTTP_USER_AGENT'];
    require_once ADSENSEI_PLUGIN_DIR . '/admin/includes/mobile-detect.php';
    $device_name = '';
    $mobile_detect = $isTablet = '';
    $mobile_detect = new Adsensei_Mobile_Detect;
    $isMobile = $mobile_detect->isMobile();
    $isTablet = $mobile_detect->isTablet();

    $device_name  = 'desktop';
    if ($isMobile && $isTablet) { //Only For tablet
      $device_name  = 'mobile';
    } else if ($isMobile && !$isTablet) { // Only for mobile
      $device_name  = 'mobile';
    }
    if ($ad_id) {
      $this->adsensei_insert_clicks($ad_id, $device_name, $referrer_url, $user_ip, $actual_link, $browser);
    }
    wp_die();
  }

  /**
   * Ajax handler to get ad impression in AMP
   * @return type void
   */
  public function adsensei_insert_ad_impression_amp()
  {

    if (!isset($_GET['adsensei_front_nonce'])) {
      return;
    }
    if (!wp_verify_nonce($_GET['adsensei_front_nonce'], 'adsensei_ajax_check_front_nonce')) {
      return;
    }

    $ad_id       = sanitize_text_field($_GET['event']);
    $device_name = 'amp';

    if ($ad_id) {
      $this->adsensei_insert_impression($ad_id, $device_name);
    }

    wp_die();
  }



  public function adsensei_frontend_enqueue()
  {
    if (adsensei_is_amp_endpoint()) {
      return;
    }
    $object_name = array(
      'ajax_url'               => admin_url('admin-ajax.php'),
      'adsensei_front_nonce'   => wp_create_nonce('adsensei_ajax_check_front_nonce')
    );
    $suffix = (adsenseiIsDebugMode()) ? '' : '.min';
    //  if ( (function_exists( 'ampforwp_is_amp_endpoint' ) && !ampforwp_is_amp_endpoint()) || function_exists( 'is_amp_endpoint' ) && !is_amp_endpoint()) {
    global $adsensei_options;
    $adsensei_options = adsensei_get_settings();
    if (isset($adsensei_options['ad_performance_tracking'])  && $adsensei_options['ad_performance_tracking'] == true) {
      wp_enqueue_script('adsensei_ads_front', ADSENSEI_PLUGIN_URL . 'assets/js/performance_tracking' . $suffix . '.js', array('jquery'), ADSENSEI_VERSION, false);
      //  }
    }
    wp_localize_script('adsensei_ads_front', 'adsensei_analytics', $object_name);
  }


  /**
   * Here, We are enquing amp scripts.
   * @param type $data
   * @return string
   */
  public function adsensei_enque_analytics_amp_script($data)
  {
    if (empty($data['amp_component_scripts']['amp-analytics'])) {
      $data['amp_component_scripts']['amp-analytics'] = 'https://cdn.ampproject.org/v0/amp-analytics-latest.js';
    }
    if (empty($data['amp_component_scripts']['amp-bind'])) {
      $data['amp_component_scripts']['amp-bind'] = 'https://cdn.ampproject.org/v0/amp-bind-0.1.js';
    }
    if (empty($data['amp_component_scripts']['amp-user-notification'])) {
      $data['amp_component_scripts']['amp-user-notification'] = 'https://cdn.ampproject.org/v0/amp-user-notification-0.1.js';
    }
    if (empty($data['amp_component_scripts']['amp-ad'])) {
      $data['amp_component_scripts']['amp-ad'] = 'https://cdn.ampproject.org/v0/amp-ad-latest.js';
    }
    if (empty($data['amp_component_scripts']['amp-iframe'])) {
      $data['amp_component_scripts']['amp-iframe'] = 'https://cdn.ampproject.org/v0/amp-iframe-latest.js';
    }
    return $data;
  }

  /**
   * Here, We are adding amp analytics tag for every ad serve on page
   */
  public function adsensei_add_analytics_amp_tags()
  {

    if ((function_exists('ampforwp_is_amp_endpoint') && ampforwp_is_amp_endpoint()) || function_exists('is_amp_endpoint') && is_amp_endpoint()) {

      $amp_ads_id = json_decode(get_transient('adsensei_transient_amp_ids'), true);

      if (!empty($amp_ads_id)) {

        $amp_ads_id = array_unique($amp_ads_id);
      }

      $ad_impression_script = '';
      $ad_clicks_script     = '';

      $nonce                = wp_create_nonce('adsensei_ajax_check_front_nonce');
      $ad_impression_url    = admin_url('admin-ajax.php?action=adsensei_insert_ad_impression_amp&adsensei_front_nonce=' . $nonce);
      $ad_clicks_url        = admin_url('admin-ajax.php?action=adsensei_insert_ad_clicks_amp&adsensei_front_nonce=' . $nonce);

      require_once ADSENSEI_PLUGIN_DIR . '/admin/includes/rest-api-service.php';
      $api_service = new ADSENSEI_Ad_Setup_Api_Service();
      $adsensei_ads = $api_service->getAdDataByParam('adsensei-ads');
      if (isset($adsensei_ads['posts_data'])) {
        foreach ($adsensei_ads['posts_data'] as $key => $value) {
          $ads = $value['post_meta'];
          if ($value['post']['post_status'] == 'draft') {
            continue;
          }
          if (isset($ads['enabled_on_amp']) && !$ads['enabled_on_amp']) {
            continue;
          }
          if (!isset($ads['position'])) {
            continue;
          }

          if (isset($ads['ad_id']))
            $post_status = get_post_status($ads['ad_id']);
          else
            $post_status =  'publish';

          if (isset($ads['random_ads_list']))
            $ads['random_ads_list'] = unserialize($ads['random_ads_list']);
          if (isset($ads['visibility_include']))
            $ads['visibility_include'] = unserialize($ads['visibility_include']);
          if (isset($ads['visibility_exclude']))
            $ads['visibility_exclude'] = unserialize($ads['visibility_exclude']);

          if (isset($ads['targeting_include']))
            $ads['targeting_include'] = unserialize($ads['targeting_include']);

          if (isset($ads['targeting_exclude']))
            $ads['targeting_exclude'] = unserialize($ads['targeting_exclude']);
          $is_on         = adsensei_is_visibility_on($ads);
          $is_visitor_on = adsensei_is_visitor_on($ads);
          if ($is_on && $is_visitor_on && $post_status == 'publish') {
            $ad_impression_script .= '<amp-analytics><script type="application/json">
                    {
                      "requests": {
                        "event": "' . esc_url($ad_impression_url) . '&event=${eventId}"
                      },
                      "triggers": {
                        "trackPageview": {
                          "on": "visible",
                          "request": "event",
                          "visibilitySpec": {
                            "selector": ".adsensei-ad' . esc_attr($ads['ad_id']) . '",
                            "visiblePercentageMin": 20,
                            "totalTimeMin": 500,
                            "continuousTimeMin": 200
                          },                                  
                          "vars": {
                            "eventId":".adsensei-ad' . esc_attr($ads['ad_id']) . '"
                          }
                        }
                      }
                    }</script></amp-analytics>                                  
                  ';

            $ad_clicks_script .= '<amp-analytics>
                                  <script type="application/json">
                                    {
                                      "requests": {
                                        "event": "' . esc_url_raw($ad_clicks_url) . '&event=${eventId}"
                                      },
                                      "triggers": {
                                        "trackAnchorClicks": {
                                          "on": "click",
                                          "selector": ".adsensei-ad' . esc_attr($ads['ad_id']) . '",
                                          "request": "event",
                                          "vars": {
                                            "eventId": ".adsensei-ad' . esc_attr($ads['ad_id']) . '"
                                          }
                                        }
                                      }
                                    }
                                  </script>
                                </amp-analytics>';
          }
        }
      }

      echo $ad_impression_script;
      echo $ad_clicks_script;
    }
  }


  /**
   * Function to insert ad clicks for both (AMP and NON AMP)
   * @global type $wpdb
   * @param type $ad_id
   * @param type $device_name
   */
  public function adsensei_insert_clicks($ad_id, $device_name = '', $referrer_url = '', $user_ip = '', $actual_link = '', $browser = '')
  {
    global $wpdb;

    $today = adsensei_get_date('day');
    $id_array = explode('adsensei-ad', $ad_id);

    $ad_id = $id_array[1];
    $todays_date = date('Y-m-d');
    $year = date("Y");

    $stats = $wpdb->get_var($wpdb->prepare("SELECT `id` FROM `{$wpdb->prefix}adsensei_stats` WHERE `ad_id` = %d AND `ad_device_name` = %s AND `ad_thetime` = %d AND `referrer` = %s AND `ip_address` = %d AND `url` = %s AND `browser` = %s ", $ad_id, trim($device_name), $today, trim($referrer_url), trim($user_ip), trim($actual_link), trim($browser)));
    if ($stats == NULL) {
      $stats =  $wpdb->get_var($wpdb->prepare("SELECT `id` FROM `{$wpdb->prefix}adsensei_stats` WHERE `ad_id` = %d AND `ad_device_name` = %s", $ad_id, $device_name));
    }
    if ($stats > 0) {
      $wpdb->query(
        $wpdb->prepare(
          "UPDATE `{$wpdb->prefix}adsensei_stats` SET `ad_clicks` = `ad_clicks` + 1 WHERE `id` = %d",
          $stats
        )
      );
    } else {

      $wpdb->insert($wpdb->prefix . 'adsensei_stats', array('ad_id' => $ad_id, 'ad_thetime' => $today, 'ad_clicks' => 0, 'ad_impressions' => 1, 'ad_device_name' => trim($device_name), 'referrer' => trim($referrer_url), 'ip_address' => trim($user_ip), 'browser' => trim($browser), 'url' => trim($actual_link)));
    }


    $stats = $wpdb->get_var($wpdb->prepare("SELECT `id` FROM `{$wpdb->prefix}adsensei_single_stats_` WHERE `ad_id` = %d ", $ad_id));
    if ($stats > 0) {
      $wpdb->query(
        $wpdb->prepare(
          "UPDATE `{$wpdb->prefix}adsensei_single_stats` SET `ad_clicks` = `ad_clicks` + 1 WHERE `ad_id` = %d AND `ad_date` = %s",
          $ad_id,
          $todays_date
        )
      );

      $wpdb->query(
        $wpdb->prepare(
          "UPDATE `{$wpdb->prefix}adsensei_single_stats` SET `date_click` = `date_click` + 1 WHERE `ad_id` = %d AND `ad_date` = %s",
          $ad_id,
          $todays_date
        )
      );
    } else {
      $wpdb->insert($wpdb->prefix . 'adsensei_single_stats_', array('ad_id' => $ad_id, 'ad_thetime' => 0, 'ad_clicks' => 0, 'ad_impressions' => 1, 'ad_date' => $todays_date, 'date_click' => 0, 'ad_year' => $year, 'date_impression' => 1));
    }
  }



  /**
   * Ajax handler to get ad clicks in AMP
   * @return type void
   */
  public function adsensei_insert_ad_clicks_amp()
  {

    if (!isset($_GET['adsensei_front_nonce'])) {
      return;
    }
    if (!wp_verify_nonce($_GET['adsensei_front_nonce'], 'adsensei_ajax_check_front_nonce')) {
      return;
    }

    $ad_id = sanitize_text_field($_GET['event']);
    $device_name = 'amp';

    $referrer_url  = (isset($_SERVER['HTTP_REFERER'])) ? esc_url($_SERVER['HTTP_REFERER']) : '';
    $user_ip       =  $this->adsensei_get_client_ip();
    $actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
    $browser = $_SERVER['HTTP_USER_AGENT'];
    require_once ADSENSEI_PLUGIN_DIR . '/admin/includes/mobile-detect.php';
    $device_name = '';
    $mobile_detect = $isTablet = '';
    $mobile_detect = new Adsensei_Mobile_Detect;
    $isMobile = $mobile_detect->isMobile();
    $isTablet = $mobile_detect->isTablet();

    $device_name  = 'desktop';
    if ($isMobile && $isTablet) { //Only For tablet
      $device_name  = 'mobile';
    } else if ($isMobile && !$isTablet) { // Only for mobile
      $device_name  = 'mobile';
    }
    if ($ad_id) {

      $this->adsensei_insert_clicks($ad_id, $device_name, $referrer_url, $user_ip, $actual_link, $browser);
    }
    wp_die();
  }
}
if (class_exists('adsensei_admin_analytics')) {
  $adsensei_analytics_hooks_obj = new adsensei_admin_analytics;
  $adsensei_analytics_hooks_obj->adsensei_admin_analytics_hooks();
}